Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 1 | // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "chrome/browser/chromeos/drive/logging.h" |
| 6 | |
Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 7 | #include <stdarg.h> // va_list |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 8 | #include <string> |
Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 9 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 10 | #include "base/lazy_instance.h" |
Torne (Richard Coles) | 5e3f23d | 2013-06-11 16:24:11 +0100 | [diff] [blame] | 11 | #include "base/strings/stringprintf.h" |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 12 | #include "chrome/browser/drive/event_logger.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 13 | |
| 14 | namespace drive { |
| 15 | namespace util { |
| 16 | namespace { |
| 17 | |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 18 | static base::LazyInstance<EventLogger> g_logger = |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 19 | LAZY_INSTANCE_INITIALIZER; |
| 20 | |
| 21 | } // namespace |
| 22 | |
Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 23 | void Log(logging::LogSeverity severity, const char* format, ...) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 24 | std::string what; |
| 25 | |
| 26 | va_list args; |
| 27 | va_start(args, format); |
| 28 | base::StringAppendV(&what, format, args); |
| 29 | va_end(args); |
| 30 | |
Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 31 | DVLOG(1) << what; |
| 32 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 33 | // On thread-safety: LazyInstance guarantees thread-safety for the object |
| 34 | // creation. EventLogger::Log() internally maintains the lock. |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 35 | EventLogger* ptr = g_logger.Pointer(); |
Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 36 | ptr->Log(severity, what); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 37 | } |
| 38 | |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 39 | std::vector<EventLogger::Event> GetLogHistory() { |
| 40 | EventLogger* ptr = g_logger.Pointer(); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 41 | return ptr->GetHistory(); |
| 42 | } |
| 43 | |
| 44 | } // namespace util |
| 45 | } // namespace drive |